In the summer of 2007, 16-year-old Chen Huan'er moved from her hometown of Sishui, a small town, to a hospital in the big city of Tianhe because of her mother's job transfer.Here, she met Jing Qichi, a young boy who loves football, and Song Cong, a top student.Chen Huan'er integrated into the new environment with an optimistic and cheerful attitude, and also experienced a series of changes such as Song Cong transferring to another school due to his mother's hemiplegia, and Jing Qichi giving up his football dream due to injury.

When he entered his senior year of high school, Jing Qichi collapsed due to his father's death in the line of duty. Chen Huan'er encouraged him with his own illness experience when he was young. The two were admitted to the same university, but various misunderstandings prevented them from walking together.Together.After graduation, Huan'er chose to go to graduate school, and Jing Qichi went to work in Beijing. The two finally turned from friends into lovers in two places. Later, Chen Huan'er returned to school to continue doing research, and Jing Qichi also returnedThe city where Huaner is located.When Dr. Chen Huan'er graduated, Jing Qichi proposed successfully.